Uncategorized
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19084
This article confirms what food-allergic persons have known for quite awhile, that food allergy reactions are not provoked only by ingestion. Another kind of kiss can cause reactions. My food-allergic daughter reports that “kisses” from pets may or may not cause hives, depending on the animal’s diet. Diane SmithOakton, Va.
- Math
Unveiling the work of Archimedes
An ancient manuscript long hidden from public view may provide significant insights into the way Archimedes did his mathematical work more than 2,000 years ago.
- Math
Trailing after double bubbles
A proof of the double-bubble conjecture for the case in which the two bubbles' volumes are unequal appears within reach.
- Health & Medicine
Impotence high after prostate removal
Roughly 60 percent of men who have a cancerous prostate gland removed are subsequently impotent.
- Health & Medicine
Firm nears completion of human genome
Celera Genomics announced that it has sequenced 90 percent of the human genome and claimed it has found about 97 percent of all human genes.
- Health & Medicine
Poor glucose metabolism risks clots
Excess concentrations of insulin in the blood may hamper the body's ability to break down blood clots efficiently.
- Animals
Redder is healthier in squawking birds
When barn swallow nestlings open wide for food, their parents may be looking for the healthiest throats.
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Evolution may not be slow or random
Studies of fruit flies taking over the New World and stickleback fish adapting to Canadian lakes suggest that evolution can proceed quickly and take predictable paths.
- Astronomy
Chandra eyes low-temperature black hole
An observatory in space has detected the coolest black hole yet found
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19021
As stated in the article, nitric oxide is a recognized and commonly monitored pollutant. It would be of interest to see the incidence of sickle-cell disease plotted against NO pollution levels for similar populations. Sufficient data are probably already available. Ken MartwickFall Creek, Ore.
- Health & Medicine
NO News
Preliminary research suggests that inhaled nitric oxide may offer a much-needed treatment for patients suffering from complications of sickle cell disease.
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19078
I was saddened to see that water conservation received such short shrift in this article. The easiest, cheapest way to conserve water supplies is simply not to use them. Instead of figuring out how to put blankets on snowdrifts, why not just focus on turning off the tap while brushing your teeth or shaving? Alan […]
